GLOSSARY

360-degree virtual worlds. Computer-generated scenes or videos that cover a full field of vision accessed through goggles. The viewer can turn completely around and see the scene in all directions.

3-D printing. A variety of processes to print a three-dimensional object, which may range from very small to the size of a house, depending on the size of the 3-D printer being used. Various materials, including plastic, metal, concrete, and biomaterials, can be used to build objects.

A/B testing. A technique to compare two versions of a single variable, such as a choice between two designs of a web page, to determine which version is preferred ...

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